Britax Phases
The Britax Phases weighs 19.6 lb, folds to 11.9 cu ft, and holds a child up to 50 lb, per Britax. The maker lists the seat as reclining flat for use from birth.
- 19.6 lbWeight
- 11.9 cu ftFolded
- 50 lbHolds up to
How the Phases stacks up
Against the 95 full-size strollers we track. The shaded band is where the middle half of them fall; the dot is this one.
Below the typical range for full-size strollers (24.1 lb to 28.8 lb).
Above the typical range for full-size strollers (6.9 cu ft to 9.1 cu ft).
The same as most full-size strollers (50 lb).
What sets the Phases apart
Measured against the 95 full-size strollers we compare, from each maker's published specs.
- 3rd lightestof the 74 full-size strollers with it published: 19.6 lb
- Folded size: 11.9 cu ftabove the middle half of the 61 full-size strollers that publish it (6.9 cu ft to 9.1 cu ft)
Next to its closest matches
- Graco Outpace LXNext to it, the Phases is 0.6 lb heavier; 7.2 cu ft bigger folded.
- Graco MergeNext to it, the Phases is 0.9 lb lighter.
- Graco Modes PrametteNext to it, the Phases is 1.3 lb lighter.
Phases: from newborn to toddler
| Stage | What Britax lists |
|---|---|
| From birth | Yes, seat lies flat |
| Seat holds | Up to 50 lb |
| Second child | Does not convert to a double |
Limits as the maker lists them. Follow the manual for your stroller.
Where to buy the Phases
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Britax Phases | |
|---|---|
| Weight | 19.6 lb |
| Folded size | 22.5 × 23 × 39.8 in11.9 cu ft |
| Open size | 36 × 23 × 45.5 in |
| Seat holds up to | 50 lb |
| From birth? | Yes, seat lies flat |
| Converts to a double | No |
| Basket | Large storage basket |
| Car seats | Britax Arbor (DuoConnect, no adapters) |
| In the box | Parent organizer, bumper bar, child tray (TS includes Arbor seat + StayTight base) |
| Sold as a travel system | Phases Travel System (Arbor infant seat) |
| Warranty | 1 year |
Compare the Phases with
How each closest rival differs from the Phases, from the makers' specs.
- GracoOutpace LX19 lb4.7 cu ft folded
- 0.6 lb lighter
- 7.2 cu ft smaller folded
- GracoMerge20.5 lb50 lb limit
- 0.9 lb heavier
- GracoModes Pramette20.9 lb50 lb limit
- 1.3 lb heavier
- EvenfloPivot NXT21.9 lb9.7 cu ft folded
- 2.3 lb heavier
- 2.2 cu ft smaller folded
Phases: questions answered
From Britax's published specs, last checked 2026-11-06.
How much does the Britax Phases weigh?
The Britax Phases weighs 19.6 lb. The lightest full-size stroller we track is the Nuna TRIV next at 18.4 lb.
How big is the Britax Phases when folded?
It folds to 22.5 × 23 × 39.8 in, about 11.9 cubic feet. Compare folded sizes of all full-size strollers.
Can you use the Britax Phases from birth?
Yes, seat lies flat. Car seats: Britax Arbor (DuoConnect, no adapters).
What is the weight limit of the Britax Phases?
The seat holds a child up to 50 lb.
Can the Britax Phases be converted to a double stroller?
No. For two kids, see our double strollers.
What's the difference between the Britax Phases and the Graco Outpace LX?
By the specs, the Outpace LX is 0.6 lb lighter. See the Phases and Outpace LX side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More full-size strollers
- EvenfloOmni22 lb7 cu ft folded
- GracoPremier Modes Merge22 lb50 lb limit
- GracoModes Nest23 lb50 lb limit
- Dream On MeJade 2-in-1 Reversible23.7 lb
- ChiccoBravo Sport24.1 lb5.7 cu ft folded
- ChiccoCorso LE24.8 lb7.1 cu ft folded
Where these specs come from
- us.britax.com/shop/travel-systems/phases-travel-system
- cdne1britaxus.azureedge.net/bri/uploads/user-guides-videos-and…
Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.